Detroit Diesel 350 kW Service Manual
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Detroit Diesel 350 kW Service Manual

Detroit Diesel 350 kW Service Manual

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Service
Generator Sets
Models:
350-2800 kW
MP-5583 11/94c

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Summary of Contents for Detroit Diesel 350 kW

  • Page 1 Service Generator Sets Models: 350-2800 kW MP-5583 11/94c...

  • Page 2: Product Identification Information

    California Proposition 65 WARNING Engine exhaust from this product contains chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm. Product Identification Information Product identification numbers determine service parts. Controller Identification Record the product identification numbers in the spaces Record the controller description from the generator set below immediately after unpacking the products so that operation manual, spec sheet, or sales invoice.

  • Page 3: Table Of Contents

    Table of Contents Product Identification Information ..........Inside front cover Safety Precautions and Instructions .
  • Page 4 7.4.2 Electronic Governor—Barber- Colman Dyna 8000/8200/8400, 350--2000 kW Detroit Diesel- Powered Models With Ramp Time Potentiometer ..........

  • Page 5: Safety Precautions And Instructions

    Safety Precautions and Instructions IMPORTANT SAFETY Accidental Starting WARNING INSTRUCTIONS. Electromechanical equipment, including generator sets, WARNING transfer switches, switchgear, and accessories, can cause bodily harm and pose life-threatening danger when improperly installed, operated, or Explosion. maintained. To prevent accidents be Can cause severe injury or death.

  • Page 6: Exhaust System

    Engine Backfire/Flash Generator set operation. Carbon Fuel System monoxide can cause severe nausea, Fire fainting, or death. Carbon monoxide is an odorless, colorless, tasteless, WARNING nonirritating gas that can cause death if WARNING inhaled for even a short time. Avoid breathing exhaust fumes when working on or near the generator set.
  • Page 7 Hazardous Noise Installing battery charger. WARNING Hazardous voltage cause severe injury death. CAUTION ungrounded battery charger may cause electrical shock. Connect the battery charger enclosure to the ground of a permanent wiring system. As an Hazardous voltage. alternative, install equipment Backfeed to the utility system can grounding conductor...

  • Page 8: Hot Parts

    Engine block heater. Hazardous Moving Parts WARNING voltage can cause severe injury or death. The engine block heater can WARNING cause electrical shock. Remove the engine block heater plug from the electrical outlet before working on the block heater electrical connections. Hot engine and exhaust system.
  • Page 9 NOTICE NOTICE NOTICE Hardware damage. The engine and When replacing hardware, do not generator set may use both American substitute with inferior grade This generator set has been Standard and metric hardware. Use hardware. Screws and nuts are rewired from its nameplate voltage the correct size tools to prevent available in different hardness ratings.
  • Page 10 Notes Safety Precautions and Instructions MP-5583 11/94...

  • Page 11: Introduction

    Introduction This manual covers the operation, troubleshooting, and Read through this manual and carefully follow all repair of 350-2800 kW DDC/MTU Power Generation procedures and safety precautions to ensure proper generator set controllers and accessories. Wiring equipment operation and to avoid bodily injury. Read diagram manuals are available separately.
  • Page 12 Notes Service Assistance MP-5583 11/94...

  • Page 13: Section 1 Specifications

    259 Nm (191 ft. lb.) Generator Adapter to Flywheel Housing Bolt Torque Torque— Models Hardware Type Nm (ft. lb.) 350/400 kW Detroit Diesel Powered 7/16-14 grade 5 60 (44) 450--800 kW Detroit Diesel Powered 1/2-13 grade 5 92 (68) 900--2000 kW Detroit Diesel Powered...

  • Page 14: Engine

    1.2.2 Engine Engine Prealarm and Shutdown Switches Specification Anticipatory High Engine Temperature Switch 350--2000 kW Detroit Diesel Powered 92°--100°C (198°--212°F ) Anticipatory Low Oil Pressure Switch 350--2000 kW Detroit Diesel Powered 159--186 kPa (23--27 psi) Low Water Temperature Switch 350--2000 kW Detroit Diesel Powered 13°--18°C (55°--65°F)

  • Page 15: Accessories

    1.3 Accessories 1.3.1 Remote Annunciator Kit (With Microprocessor Controller Only) Several accessories are available to finalize the installation, add convenience to operation and service, A remote annunciator allows convenient monitoring of and to comply with state and local codes. Accessories the set’s condition from a location remote from the vary with each generator set model and controller.
  • Page 16 Surface Mount Flush Mount A-258782 A-256452 Dry Contact Kit A-256472 Figure 1-2 Remote Annunciator with 10-Relay Dry Contact Kit Section 1 Specifications MP-5583 11/94...

  • Page 17: Audiovisual Alarm (With Microprocessor Controller Only)

    1.3.2 Audiovisual Alarm (With 1.3.3 Ten-Relay Dry Contact Kit (With Microprocessor Controller Only) Microprocessor Controller Only) An audiovisual alarm warns the operator of fault The ten-relay dry contact kit allows monitoring of the shutdowns and prealarm conditions (except battery standby system and/or ability...

  • Page 18: Single-Relay Dry Contact Kit (With Microprocessor Controller Only)

    1.3.4 Single-Relay Dry Contact Kit (With 1.3.6 Safeguard Breaker Microprocessor Controller Only) The safeguard breaker senses output current on each generator phase and will shut off the AC voltage The single-relay dry contact kit uses one set of contacts regulator in the event of a sustained overload or short to trigger customer-provided warning devices if a fault circuit.

  • Page 19: Overvoltage Kit (With Microprocessor Controller Only)

    Additional glass pieces are available as a service part. Reset the engine air damper switch on 200--2000 kW models using Detroit Diesel engines. See Section 2, Resetting Emergency Stop Switches. G-291739 Figure 1-8 Overvoltage Circuit Board 1.3.9...

  • Page 20: Controller Connection Kit (With Microprocessor Controller Only)

    1.3.11 Controller Connection Kit (With Microprocessor Controller Only) The controller connection kit allows easy connection of controller accessories without accessing the controller terminal strip. The kit uses a 165 cm (65 in.) wiring harness to link the controller TB1 terminal strip with a remote terminal strip.
  • Page 21 32 Common Fault Indicator Activated by: HET Fault LOP Fault LWT Fault OC Fault OS Fault AUX Fault Remove Jumper Connect Audiovisual Alarm or Common Emergency Stop is Used Fault Relay Kit Emergency Stop† 42A 2 4 26 12 39 38 36 60 80 40 41 32 63 61 62 35 TB1 Terminal Strip (See note * below) CIRCUIT BOARD TERMINAL IDENTIFICATION (TB1)
  • Page 22 Notes Section 1 Specifications MP-5583 11/94...

  • Page 23: Section 2 Operation

    Section 2 Operation 2.1 Prestart Checklist A coolant solution of 50% ethylene glycol will provide freezing protection to --37_C (--34_F) and overheating Check the following items before each startup of protection to 129_C (265_F). A coolant solution with manually controlled generator sets and at regular less than 50% ethylene glycol may not provide intervals on sets equipped with automatic transfer adequate freezing and overheating protection.

  • Page 24: 16-Light Controller (Level 1) Operation

    2.3 16-Light Controller (Level 1) meterbox version (for installation of additional meters and gauges). For identification of 16-light controller Operation components (standard and oversize meterbox) and an explanation of their functions, refer to Figure 2-1 and the The 16-light microprocessor controller (level 1) is following descriptions.

  • Page 25: Features

    Note: Some installations 16-light back up again while the generator master switch microprocessor controller with switchgear was in the RUN or AUTO position. A temporarily applications. These are nonstandard controllers low battery condition where the battery is weak with remote start and no time delay for engine or undersized for the application may cause this cooldown circuitry.
  • Page 26 Restore alarm horn switches at all locations section. (Used on 200--2000 kW models with (controller, remote annunciator, or audiovisual Detroit Diesel engines only). alarm) to normal position after fault shutdown is corrected to avoid reactivating alarm horn. See 15. System Ready. Lamp lights when generator Controller Resetting Procedure following.

  • Page 27: Starting

    31. Fuses. Fuses are located on controller circuit Note: The 16-light controller is equipped with a board. See Figure 2-2. transient start/stop function to avoid accidental cranking of the rotating engine. If the generator 3-Amp Remote Annunciator (F1). Fuse master switch is momentarily placed in the protects dry contact kit (if equipped).

  • Page 28: Resetting Emergency Stop Switches

    Low coolant level shutdown will not function during Figure 2-3 and the air damper light will go out. the first 30 seconds after startup. (Used on 200--2000 kW models with Detroit Diesel engines only). Note: Low oil pressure, high engine temperature, and low coolant level shutdowns will not function 4.

  • Page 29: Controller Resetting Procedure (Following Fault Shutdown)

    2.3.6 Controller Resetting Procedure 4. Start generator set by moving the generator master switch to OFF/RESET and then to the RUN (Following Fault Shutdown) position. If equipped, audiovisual annunciator Use the following procedure to restart the generator set alarm horn sounds and lamp goes out. after a fault shutdown.

  • Page 30: 6-Light Controller (Level 2) Operation

    2.4 6-Light Controller (Level 2) meterbox version (for installation of additional meters and gauges). For identification of controller components Operation (standard and oversize meterbox) and an explanation of their functions, refer to Figure 2-4 and the following The 6-light microprocessor controller (level 2) is descriptions.

  • Page 31: Features

    The LWT/auxiliary lamp will flash if the battery section. (Used on 200--2000 kW models with power was reconnected or was low and then Detroit Diesel engines only). came back up again while the generator master switch was in the RUN or AUTO position. A 5.
  • Page 32 10. Alarm Horn. Sounds if any fault or anticipatory 21. Fuses. Fuses are located on controller circuit condition exists (except emergency stop, battery board. See Figure 2-5. charger fault, or low battery volts). Place generator 3-Amp Remote Annunciator (F1). Fuse master switch in the AUTO position before protects dry contact kit (if equipped).

  • Page 33: Starting

    On 200-- overcrank shutdown. Cranking mode (cyclic or 2000 kW models with Detroit Diesel engines, both the continuous) selection is made on the controller air damper and low water temperature/auxiliary lamps circuit board terminal strip.

  • Page 34: Resetting Emergency Stop Switches

    30 seconds after startup. Figure 2-6 and the air damper light will go out. (Used on 200--2000 kW models with Detroit Diesel Note: High temperature shutdown will not function if engines only).

  • Page 35: Controller Resetting Procedure (Following Fault Shutdown)

    2.4.6 Controller Resetting Procedure start/stop switch. If equipped, move audiovisual annunciator alarm switch to NORMAL. (Following Fault Shutdown) Use the following procedure to restart the generator set 8. Move controller alarm horn switch to the NORMAL position. after a fault shutdown. Refer to Resetting Emergency Stop Switches earlier in this section to reset the Note: Place generator master switch in the AUTO generator after an emergency stop.
  • Page 36 Local emergency stop The numbered paragraphs following refer to Figure 2-7. switch is standard on 200--2000 kW models with Detroit Diesel Engine. 1. Hourmeter. Hourmeter records generator set total operating hours for reference in scheduling 6. Gauge Box Terminal Strips. Use terminal strips maintenance.

  • Page 37: Section 3 Scheduled Maintenance

    Section 3 Scheduled Maintenance Under normal operating conditions, generator alternator WARNING service will not be required on a regular basis. The main areas of attention are listed in the prestart checklist. If operating under extremely dusty and dirty conditions, use DRY compressed air to blow dust out of the generator.

  • Page 38: Radiator Expansion Joint Loosening-Initial Startup Only (Above 1000 Kw)

    3.1 Radiator Expansion Joint Lubrication and Drive Belt Adjustment Procedure Loosening—Initial Startup only Lubricate the fan shaft and idler shaft bearings with a (Above 1000 kW) lithium-complex base, multi-purpose grease with antirust, antifoam, extreme pressure additives, and a If the models above 1000 kW have radiators minimum dropping point of 204°C (400°F).

  • Page 39: Storage Procedure

    TP-5353-3 1. Radiator Assembly 4. Fan Shaft Grease Fittings 2. Grease Fittings 5. Idler Shaft Grease Fittings 3. Pressure Relief Port Figure 3-2 Radiator Fan Bearings and Pressure Relief Ports 2. Clean exterior surface of the generator set and 3.3 Storage Procedure then spread a light film of oil over unpainted Perform the following steps if the generator set is out of metallic surfaces to prevent rust or corrosion.
  • Page 40 Notes Section 3 Scheduled Maintenance MP-5583 11/94...

  • Page 41: Section 4 General Troubleshooting

    Section 4 General Troubleshooting Use Figure 4-1 and Figure 4-2 as a quick reference in operation manual, engine service manual, and troubleshooting individual problems. The tables list generator and voltage regulator technical manuals. generator set faults by specific groups and include likely Corrective action and testing in many cases requires causes and remedies.

  • Page 42: Section 5-Controller

    Problem Possible Cause Corrective Action Reference Low oil pressure shutdown Check oil level (if low, check for Engine Operation Manual Unit stops leaks) suddenly High temperature shutdown Check for cooling air restrictions Engine Operation Manual or poor belt tension Low coolant level shutdown Check coolant level (if low, Engine Operation Manual (if equipped)

  • Page 43: Section 5 Controller Troubleshooting

    Section 5 Controller Troubleshooting 5.1 Microprocessor connections. Figure 5-6 is the logic schematic showing input/output circuits for reference in troubleshooting. Controller—Description This information deals directly with the 16-light microprocessor. Information applies to the 6-light For external features see Section 2—Operation microprocessor where applicable.
  • Page 44 G-292806 1. Fuse: 3 Amp (F2) Controller 9. Controller TB1 Terminal Strip 2. Fuse: 15 Amp (F3) Engine and Accessories 10. P3 Connector (Control Panel Harness) to P4 (LED Indicator 3. LED4 (K4 Relay) Panel Assembly) 4. K4 Relay: Emergency Stop 11.
  • Page 45 2. Input from Overvoltage Board, Wire 30 4. Open 3. Input for AC Crank Disconnect and Instrumentation, Wire V7F 5. 42A Battery Voltage (Fuse #1 Protected) 4. Air Damper Output (200--2000 kW models with Detroit Diesel 6. 2 Ground engines only), wire 56 7. 9 Crank Mode (open -- cyclic crank;...
  • Page 46 System Ready Common Fault /Prealarm (--) Air Damper Low Fuel Battery Charger Fault Remote Sw. Emergency Low Battery Stop E.STOP Common Fault Indicator Activated By: Connect AV Alarm or Common Fault Relay Kit P1--2 P1--5 Battery P1--6 P2--6 P3--20 Low Battery Volts (62) TB1-62 Input P1-4 P1-12...
  • Page 47 Overvoltage Shutdown 120 VAC for Crank Disconnect Engine Air Damper Indicator Panel Lamps Auxiliary Immediate (Overvoltage) Shutdown Switch Engine Air Engine Damper Switch Tack Drive Aux. Delay Shutdown Anticipatory (Low) Oil Pressure AUX. Auxiliary AUX PRE Auxiliary Prealarm Anticipatory (High) Water Temperature Battery Charger Fault Engine Air Damper E.
  • Page 48 Anticipatory (Low) Oil Pressure AUX. Auxiliary AUX PRE Auxiliary Prealarm Anticipatory (High) Water Temperature Battery Charger Fault Engine Air Damper E. STOP Emergency Stop Fuel Solenoid High Water Temperature Low Battery Volts Low Fuel Low Oil Pressure Low Water Temperature Not In Auto Overcrank Overspeed...
  • Page 49 ADV-5810-B Figure 5-6 Logic Schematic, 3-Phase/600-Volt Models MP-5583 11/94 Section 5 Controller Troubleshooting...

  • Page 50: Fault Shutdowns-Microprocessor Controller

    5.2 Fault Shutdowns— identify fault conditions. Consult the Engine Service Manual for detailed information on correcting engine Microprocessor Controller related faults. To reset the set after a fault shutdown, see Section 2—Operation. If the generator set will not start or stops running due to a fault shutdown (fault lamp lit), refer to Figure 5-7 to Indicator Fault Condition/Causes...

  • Page 51: Paralleling Engine Gauge Box Controller (Switchgear)

    5.3 Paralleling Engine Gauge Box on until power is removed or the overspeed reset button is pushed. The test button lowers the overspeed setting Controller (Switchgear) by 30% which initiates a shutdown. Periodic testing during routine engine maintenance is recommended to No logic circuitry is supplied with the paralleling engine ensure positive protection.
  • Page 52 Notes Section 5 Controller Troubleshooting MP-5583 11/94...

  • Page 53: Section 6 Generator/Controller Troubleshooting

    Figure 6-1. K6 Relay (Air Damper Relay) Energizes air damper solenoid for emergency stop on 200--2000 kW models with Detroit Diesel engines only. K6 relay is located in generator junction box. TP-5353-6 Figure 6-1 Starter Solenoid...

  • Page 54: Troubleshooting Microprocessor Controller

    6.1.2 Troubleshooting Microprocessor WARNING Controller Use the following charts as a quick reference in troubleshooting individual problems. Consult the first chart for aid in locating the cause of blown fuses. In the successive charts, generator faults are listed by specific Accidental starting.
  • Page 55 To quickly check the condition of the components mentioned to in the following flowcharts, use an ohmmeter to read resistance between the designated terminal and ground. See Figure 6-3. With ohmmeter on the R x 1 scale, a reading of less than one ohm (continuity) indicates that component may be defective.

  • Page 56: Engine Will Not Crank

    (controller or remote). Reset air Repair defective Replace damper on 200--2000 kW component. circuit board. Detroit Diesel models only. Is LED4 lit? Place test jumper between TB1-1 Repair/replace defective and TB1-1A. Is LED4 lit? Remove emergency stop switch test jumper before proceeding.

  • Page 57: Engine Cranks, But Will Not Start

    Engine Cranks, But Will Not Start Engine cranks but will not start. Is fuel low? Add fuel. Is LED3 lit? Replace circuit board. Does engine starting circuit checkout okay? Check for Are controller panel lights lit? battery voltage at ignition coil (on gas/gasoline units) or fuel solenoid/injector Repair or replace...
  • Page 58 Controller Instrumentation Controller instrumentation not functioning properly. Loose input or component lead connection at AC fuse terminal Secure the connection. block (TB3) or at component? Blown 1.5-amp fuse at AC fuse terminal block Replace the fuse. (TB3)? See Figure 6-6. Instrumentation is defective.
  • Page 59 Lamp Circuit Board Lamp circuit board not functioning or not functioning properly (fault lamps and alarm horn only). Press lamp test button. Improper input signal. Main Do lamps light? circuit board is defective. Is lamp circuit board receiving power? Check for input voltage Panel circuit board at P4--8 and P4--20 soldered defective.

  • Page 60: Fastcheck Features And Operation

    Overcrank Lamp Engine starts and runs, but overcrank lamp flashes. Note: The overcrank lamp will flash if speed sensor signal is absent longer than one second. Check function of tach driven speed pickup (yellow Defective speed jacket). Check continuity of wire 2 (black) and wire 16 pickup.

  • Page 61: Switches

    BATT—(battery) lamp: shows light when test battery(ies) or DC power supply is live and properly connected Note: L.O.P., H.W.T., and OVERSPEED simulate malfunctions causing engine to shut down. L.O.P and H.W.T. circuits will start timing after engine has been running for 30 seconds. Engine shutdown should occur 5 seconds after pushing fault switch.

  • Page 62: Overcrank

    8. Simulate engine malfunctions pressing 3. Move generator master switch to RUN position.  FASTCHECK fault switches. Corresponding fault Observe IGN., CRK., and REG. lamps light. lamp on controller should light during each  4. Within 5 seconds, move FASTCHECK engine simulated engine malfunction.
  • Page 63 G-292806 1. TB1--42A 2. TB1—(See chart titled Generator Condition Indicator Terminals) Figure 6-10 Indicator Lamp Test Connections Indicator Switch Position/Remarks Check For Voltage Between: System Ready Master switch in AUTO position; engine TB1--42A (+) and TB1--60 (--) switch in OFF position. High (Engine) Water Temperature Master switch in RUN position;...
  • Page 64 Indicator Switch Position/Remarks Check For Voltage Between: Generator Switch Not in Auto Master switch in RUN or OFF/RESET; TB1--42A (+) and TB1--80 (--) engine switch in any position Anticipatory (High Engine) Water Master switch in RUN position; engine TB1--42A (+) and TB1--40 (--) Temperature (A.W.T.) switch in RUN;...

  • Page 65: Section 7 Component Testing And Adjustment

    WARNING 7.2 Air Damper Switch Adjustment The air damper switch is found on 200--2000 kW models using Detroit Diesel engines with microprocessor Accidental starting. controllers paralleling engine gauge Can cause severe injury or death.

  • Page 66: Overvoltage Circuit Board

    4. Air Damper Switch jumper wire J1 from the overvoltage shutdown board. 5. Wiring Harness Connector Figure 7-1 Air Damper Lever (Detroit Diesel If the function of the circuit board is questionable, Powered) perform the following test. See Figure 7-2.
  • Page 67 generator set using generator master WARNING switch. Use the following voltage check procedure to determine fault. a. With generator set stopped, disconnect lead 30 at overvoltage shutdown board. Connect DC Moving rotor. voltmeter (10 volt scale or higher) positive (+) Hazardous voltage.

  • Page 68: Governor Adjustment

    Switch S1 selects the Colman Dyna 8000/8200/ 8400, controller response range based upon engine type. Set 350- -2000 kW Detroit Diesel- S1 to the OFF position for diesel models and to the ON Powered Models Without Ramp position for gas/gasoline models.

  • Page 69: Final Adjustments

    Final Adjustments 7.4.2 Electronic Governor—Barber- Colman Dyna 8000/8200/8400, 1. Place generator master switch to RUN or TEST 350- -2000 kW Detroit Diesel- position to start generator set. Powered Models With Ramp Time 2. Adjust the control unit speed potentiometer until Potentiometer the engine is operating at the desired rpm (50 or 60 Hz on the frequency meter).
  • Page 70 The Barber-Colman control unit is equipped with 3. For isochronous operation, droop adjustment potentiometer counterclockwise to the switches S1 and S2. Prior to making governor minimum position. For droop operation, set droop adjustments, verify that S1 and S2 are in the correct potentiometer to desired droop.
  • Page 71 6. With the engine operation at rated speed, 7. Operate the unit through various load ranges up to temporarily disconnect power to the electronic 100% to ensure stability. Stop generator set. governor (leads 1 and 2). When the engine speed 8.
  • Page 72 Notes Section 7 Component Testing and Adjustment MP-5583 11/94...

  • Page 73: Section 8 Generator Disassembly/Reassembly

    Section 8 Generator Disassembly/Reassembly Before beginning generator disassembly procedure, Servicing the exhaust system. Hot parts can cause severe injury or death. Do not touch hot engine parts. The carefully read all safety precautions at the beginning of engine and exhaust system components become extremely this manual.

  • Page 74: Disassembly

    8.1 Disassembly Appendix D—General Torque Specifications when no specific values are shown in Section 1. 1. Disconnect all controller-to-engine and engine-to- generator harnesses and wiring. Disconnect alarm 1. Use the appropriate technical manual for generator horn circuit board connector (if equipped). reassembly.

  • Page 75: Reassembly Of Rigid Mount Models (500--2000 Kw)

    8.3 Reassembly of Rigid Mount Note: Either a stud as a drive disc guide pin or fabricate one by removing the hex head Models (500- -2000 kW) from a bolt. Remove any burrs. 8.3.1 All Models Rigid Mount Models 10. Clean all dust and debris from generator drive disc. (Except 900/1000 kW with Detroit 11.

  • Page 76: Rigid Mount Models 900/1000 Kw With Detroit Diesel 24V-71Ta Engine

    8.3.2 Rigid Mount Models 900/1000 kW with guide pin(s) (align as necessary). Do not force with Detroit Diesel 24V-71TA the alignment of the components. Shift the Engine generator from side to side or raise or lower with a hoist as necessary.

  • Page 77: Prestart Test Sequence

    22. Tighten and torque the hardware which retains the 4. Reconnect battery crank engine rear engine supports to the skid and flywheel approximately 5 seconds or long enough to provide housing. at least 10 engine revolutions. Disconnect battery. 23. Tighten and torque engine front mounting bolts. 5.
  • Page 78 Notes Section 8 Generator Disassembly/Reassembly MP-5583 11/94...

  • Page 79: Section 9 Generator Reconnection

    Section 9 Generator Reconnection 9.1 Voltage Reconnection WARNING Procedure This reconnection procedure details voltage reconnections only. If frequency changes are required, governor and voltage regulator will need adjustment. Hazardous voltage. Moving rotor. See Generator Frequency Change and Adjustment for Can cause severe injury or death. information regarding frequency adjustment.
  • Page 80 60HZ.—347/600V. NOTE All 10- and 12-lead generator sets are reconnectable. The 4-lead generator set is not reconnectable. Some special wound stators are made for a specific voltage configuration and are also not reconnectable. TP-5750-5 Figure 9-1 Generator Reconnections Section 9 Generator Reconnection MP-5583 11/94...

  • Page 81: Generator Frequency Change And Adjustment

    4. If controller is equipped with meters, remove proper voltage. Adjust voltage if necessary with the controller cover and reposition meter scale lamp voltage adjustment potentiometer on the voltage jumper (see Figure 9-2), if necessary, to match regulator or switchgear. Use the appropriate proper position for desired voltage (shown in technical manual for voltage regulator adjustment.
  • Page 82 Notes Section 9 Generator Reconnection MP-5583 11/94...

  • Page 83: Appendix A Abbreviations

    Appendix A Abbreviations The following list contains abbreviations that may appear in this publication. A, amp ampere cubic feet per minute exh. exhaust ABDC after bottom dead center center of gravity ext. external alternating current cubic inch displacement Fahrenheit, female analog to digital centerline fglass.
  • Page 84 kilo (1000) MTBF mean time between failure round head machine (screw) kelvin MTBO mean time between overhauls rly. relay kiloampere mtg. mounting root mean square kilobyte (2 bytes) megawatt rnd. round kilogram milliwatt read only memory µF kg/cm kilograms per square microfarad rot.

  • Page 85: Appendix B Common Hardware Application Guidelines

    Appendix B Common Hardware Application Guidelines Use the information below and on the following pages to Steps for common hardware application: identify proper fastening techniques when no specific 1. Determine entry hole type: round or slotted. reference for reassembly is made. 2.

  • Page 86: Appendix C General Torque Specifications

    Appendix C General Torque Specifications Use the following torque specifications when service oiled threads. Increase values by 15% for nonplated literature instructions give no specific torque values. threads. All torque values are +0%/--10%. The charts list values for new plated, zinc phosphate, or American Standard Fasteners Torque Specifications Assembled into Assembled into Cast Iron or Steel...

  • Page 87: Appendix D Common Hardware Identification

    Appendix D Common Hardware Identification Screw/Bolts/Studs Nuts Hardness Grades Head Styles Nut Styles American Standard Hex Head or Machine Head Hex Head Grade 2 Hex Head or Machine Head Lock or Elastic Grade 5 with Washer Flat Head (FHM) Square Grade 8 Grade 8/9 (Hex Socket Round Head (RHM)
  • Page 88 Notes A-6 Appendix MP-5583 11/94...
  • Page 92 DDC/MTU Power Generation 605 North 8th Street, Suite 501 Sheboygan, Wisconsin 53081 USA Phone 920-451-0846, Fax 920-451-0843 ddcmtupowergeneration.com MP-5583 11/94c E 1993, 1994, 2003. All rights reserved.

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